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If Dk=∣∣∣∣∣1nn2kn2+n+1n2+n2k−1n2n2+n+1∣∣∣∣∣ andn∑k=1Dk=56, then n is |
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Answer» If Dk=∣∣ ∣ ∣∣1nn2kn2+n+1n2+n2k−1n2n2+n+1∣∣ ∣ ∣∣ andn∑k=1Dk=56, then n is |
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